Improvement in carriage-springs



R. E. WALKER.

I "Carriage Spring.

No. 106,005. I Patented Aug. 2, 1870. 0

i some WALKER, or DR-ESDEN,. MISSOURI.

Letters Pate-at No. 106,005, dated'i1ugust 2, 1870.

mr'novnmsn'r m cmreee-srnmes.

The Schedule referred-to inthe se Letters Patent and making part of the same,

Toall whom it mag/torment; v I Be it known that I, RoBnRTE. WALKER, of Dresden,in the county of Pettis, and a State of Missouri, have inventedja'i'iew and-improved Carriage-Spring; and I'do hereby declare that the fifllowing is a full, clear, and exaotdeseription thereof, which will enable others, skilled in the art'to make anduse the same, reference being had to thelaccompanying drawing form- H ing-partof this specification, in Whichr Fignre-lrepresents aside view of my improved carriage-spring.

Figure2 is a top view of the same,

- Similar. letters of reference indicate corresponding parts." I a I P The object of '-t-his-iuvelitiou is to construct springs for carriages, wagons, and other wheeled vehiclesfso that the'sainemay be of equal service for heavy and P ,lightlbads v Q f r The invention consists in forming a springof one i continuous piece of steel in three layers, the layers being so formed as to constitute, to a certain extent,

separate, independentspring's, r

.flhe springA ,bent' injtothree arms, a, b, and 0.- a The outer arm a is curved, and'is atone 'end flattened, and a sharp bend formed where the arm b joins.

The arm 1) formsthelower layer of the springand is joined to the middle layer or arm a the same manner as to a.

The arm 0 is interposed between a and shown.

b, as

- Ears,-d d,are formed at the ends of the spring, to

When the load is heavy enough to flatten the arm a to the curve of c, it willihe supported by both these arms, while the heaviest load bends both arms, a 0,

upon "the lower one I), to be acted upon by the entire spring.

Having thus described my invention,

cut-

The carriages-spring, formed-0f one piece, arranged in three layers, a b and c, substantially as shown and described.

' ROBERT E. :WALKE R.

Witnesses -v A. L. En'rnnxm, P. A. BUTTERFIELD.

I claim as new and desire to secure-hyLetters Pat- 

